Terry Gross

Allen writes for the National Catholic Reporter. He's a Vatican analyst for CNN and NPR, and he writes a weekly Internet column called The Word from Rome. His new book is called, All the Pope's Men: The Inside Story of How the Vatican Really Thinks.

Moore is the president of the Club for Growth and contributing editor for National Review. The Club for Growth has a political action committee dedicated to elected conservative politicians who carry on the Reagan vision of "limited government and lowered taxes." Moore was the Cato Institute's director of fiscal policy studies, and is now a Cato senior fellow.

His new book is Politics: Observations and Arguments, 1966-2004. He's a writer and editor for The New Yorker magazine and frequently contributes to its "Talk of the Town" section. Hertzberg was on the staff of the New Republic magazine for much of the 1980s. Hertzberg also spent time in the White House from 1979 to 1981 as Jimmy Carter's speechwriter. In the introduction to this book, The New Yorker's David Remnick says "as a writer he has tone control the way Billie Holliday had tone control."